From patchwork Mon Jul 18 02:37:37 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 84935 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1oDGe1-00FcOH-IN; Mon, 18 Jul 2022 02:38:02 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232593AbiGRCh7 (ORCPT + 1 other); Sun, 17 Jul 2022 22:37:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229535AbiGRCh6 (ORCPT ); Sun, 17 Jul 2022 22:37:58 -0400 Received: from EUR03-AM5-obe.outbound.protection.outlook.com (mail-eopbgr30049.outbound.protection.outlook.com [40.107.3.49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02E5112D27; Sun, 17 Jul 2022 19:37:57 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GW26sSoGuDOQ/L6YpLMKHi2N80F2z0QwbJYX5sB9YRDbytgBRDHCjO+MrrsSPbXjbBzERPQK76mD0kYdXhaq5qnCtW6pRKPR23hR7+7n2/UX6ak0scwe7Uj6zMFa+YGDlGqgArNTI+N868LfAawlAyc5c4JHa+1f1jrTpQLIkK+NyUFl9hkE9VNV1f50StgP9SwBYoFn7k9ygivpOlh1s4lDlryDAiBNkGXxOK1JPLmq/HZoc56OB9OJtuQq4ZdVLGjrP7lWGos0faAonLSntHMMo42qkkDDxVvLL3wd5zuR7yeOmPiwAOYvRP7PCY7wfcJOy9yjyVGVz3GOwIkcSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=N4zoyq4H77PNPEBlgYv1EuYhWhpwjpbAkbn+nJ20HNY=; b=FaL5JVoL5CBeYWxhFGdGBRiL7u9+VY22AbbdeWKL5G4N71zyGea9PHqsa8Acgq8nQivLwizwbtqQKIiK9GfXff2Xeb6HUtaXwgsoCWQ7dHaHkKUsOJkn+9JpFlKitAZvFuFa9GJkm6eafXNHXF14LZ7v/UthRfOmb9iyFPJkmfdvLg6y3QnbTfe+2EvmWl4KurnSu/cSL/zKXVwpOtAMja0/gkBy4rPr262OSEE/1yiq6lfr4JsAYi1/bfHzUNWIonWkbbDZ9hTG3xnFbYBi83cCbf4gX8Pc8hJlXzbJHV8P23y1BecHOzVHvhCy7u1bM+QfsM7SqMCVtYFAQ+lNgw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=N4zoyq4H77PNPEBlgYv1EuYhWhpwjpbAkbn+nJ20HNY=; b=YQrTLvD5x4LngE5ml7hpg0LCBHsWe5n5O9la8ea1D8078waQmu9LpsGF66VysK+aObKUu+O2WWa040brJuDK7byRZog2At4MnZToKWzNit7J/xo7Ns0SvTZJ+i44yXcSVtEGpP341TTJ4P6KabjhCcEHAl8ejSzsctgGwMJWVdc= Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=nxp.com; Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by DU2PR04MB8710.eurprd04.prod.outlook.com (2603:10a6:10:2dd::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5438.23; Mon, 18 Jul 2022 02:37:54 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::5db6:3f08:2e04:33c]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::5db6:3f08:2e04:33c%4]) with mapi id 15.20.5438.023; Mon, 18 Jul 2022 02:37:54 +0000 From: Ming Qian To: mchehab@kernel.org, mirela.rabulea@oss.nxp.com, hverkuil-cisco@xs4all.nl Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH] media: imx-jpeg: Add a timeout mechanism for each frame Date: Mon, 18 Jul 2022 10:37:37 +0800 Message-Id: <20220718023737.12007-1-ming.qian@nxp.com> X-Mailer: git-send-email 2.36.1 X-ClientProxiedBy: SG2PR02CA0101.apcprd02.prod.outlook.com (2603:1096:4:92::17) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 94efd272-8cfe-445e-de5f-08da6866842c X-MS-TrafficTypeDiagnostic: DU2PR04MB8710:EE_ X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR04MB6341.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230016)(4636009)(366004)(136003)(39860400002)(346002)(376002)(396003)(38100700002)(38350700002)(316002)(66556008)(66946007)(36756003)(4326008)(8676002)(66476007)(44832011)(26005)(2906002)(6666004)(41300700001)(6512007)(83380400001)(1076003)(7416002)(2616005)(6486002)(86362001)(5660300002)(8936002)(6506007)(52116002)(478600001)(186003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 94efd272-8cfe-445e-de5f-08da6866842c X-MS-Exchange-CrossTenant-AuthSource: AM6PR04MB6341.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jul 2022 02:37:54.2019 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: mdNq6meh7FOMj+7UBnOaABKs8SCx4q799QOLPtorbCyooso6s7Yb1R8TubgCvGzzyEUn1TABod3VOycdx0TCeg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DU2PR04MB8710 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Add a timeout mechanism for each frame. If the frame can't be decoded or encoded, driver can cancel it to avoid hang. Fixes: 2db16c6ed72ce ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder") Signed-off-by: Ming Qian Reviewed-by: Mirela Rabulea --- .../media/platform/nxp/imx-jpeg/mxc-jpeg.c | 55 ++++++++++++++++--- .../media/platform/nxp/imx-jpeg/mxc-jpeg.h | 1 + 2 files changed, 49 insertions(+), 7 deletions(-) diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c index 32fd04a3d8bb..fd5a65e577f4 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c @@ -330,6 +330,10 @@ static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-3)"); +static unsigned int hw_timeout = 2000; +module_param(hw_timeout, int, 0644); +MODULE_PARM_DESC(hw_timeout, "MXC JPEG hw timeout, the number of milliseconds"); + static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision); static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q); @@ -570,6 +574,26 @@ static void mxc_jpeg_check_and_set_last_buffer(struct mxc_jpeg_ctx *ctx, } } +static void mxc_jpeg_job_finish(struct mxc_jpeg_ctx *ctx, enum vb2_buffer_state state, bool reset) +{ + struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg; + void __iomem *reg = jpeg->base_reg; + struct vb2_v4l2_buffer *src_buf, *dst_buf; + + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + mxc_jpeg_check_and_set_last_buffer(ctx, src_buf, dst_buf); + v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); + v4l2_m2m_buf_done(src_buf, state); + v4l2_m2m_buf_done(dst_buf, state); + + mxc_jpeg_disable_irq(reg, ctx->slot); + ctx->mxc_jpeg->slot_data[ctx->slot].used = false; + if (reset) + mxc_jpeg_sw_reset(reg); +} + static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) { struct mxc_jpeg_dev *jpeg = priv; @@ -602,6 +626,9 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) goto job_unlock; } + if (!jpeg->slot_data[slot].used) + goto job_unlock; + dec_ret = readl(reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); writel(dec_ret, reg + MXC_SLOT_OFFSET(slot, SLOT_STATUS)); /* w1c */ @@ -666,14 +693,9 @@ static irqreturn_t mxc_jpeg_dec_irq(int irq, void *priv) buf_state = VB2_BUF_STATE_DONE; buffers_done: - mxc_jpeg_disable_irq(reg, ctx->slot); - jpeg->slot_data[slot].used = false; /* unused, but don't free */ - mxc_jpeg_check_and_set_last_buffer(ctx, src_buf, dst_buf); - v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); - v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); - v4l2_m2m_buf_done(src_buf, buf_state); - v4l2_m2m_buf_done(dst_buf, buf_state); + mxc_jpeg_job_finish(ctx, buf_state, false); spin_unlock(&jpeg->hw_lock); + cancel_delayed_work(&ctx->task_timer); v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); return IRQ_HANDLED; job_unlock: @@ -1004,6 +1026,23 @@ static int mxc_jpeg_job_ready(void *priv) return ctx->source_change ? 0 : 1; } +static void mxc_jpeg_device_run_timeout(struct work_struct *work) +{ + struct delayed_work *dwork = to_delayed_work(work); + struct mxc_jpeg_ctx *ctx = container_of(dwork, struct mxc_jpeg_ctx, task_timer); + struct mxc_jpeg_dev *jpeg = ctx->mxc_jpeg; + unsigned long flags; + + spin_lock_irqsave(&ctx->mxc_jpeg->hw_lock, flags); + if (ctx->slot < MXC_MAX_SLOTS && ctx->mxc_jpeg->slot_data[ctx->slot].used) { + dev_warn(jpeg->dev, "%s timeout, cancel it\n", + ctx->mxc_jpeg->mode == MXC_JPEG_DECODE ? "decode" : "encode"); + mxc_jpeg_job_finish(ctx, VB2_BUF_STATE_ERROR, true); + v4l2_m2m_job_finish(ctx->mxc_jpeg->m2m_dev, ctx->fh.m2m_ctx); + } + spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags); +} + static void mxc_jpeg_device_run(void *priv) { struct mxc_jpeg_ctx *ctx = priv; @@ -1089,6 +1128,7 @@ static void mxc_jpeg_device_run(void *priv) &src_buf->vb2_buf, &dst_buf->vb2_buf); mxc_jpeg_dec_mode_go(dev, reg); } + schedule_delayed_work(&ctx->task_timer, msecs_to_jiffies(hw_timeout)); end: spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags); } @@ -1672,6 +1712,7 @@ static int mxc_jpeg_open(struct file *file) ctx->fh.ctrl_handler = &ctx->ctrl_handler; mxc_jpeg_set_default_params(ctx); ctx->slot = MXC_MAX_SLOTS; /* slot not allocated yet */ + INIT_DELAYED_WORK(&ctx->task_timer, mxc_jpeg_device_run_timeout); if (mxc_jpeg->mode == MXC_JPEG_DECODE) dev_dbg(dev, "Opened JPEG decoder instance %p\n", ctx); diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h index c508d41a906f..8104ee4a3b7a 100644 --- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.h @@ -97,6 +97,7 @@ struct mxc_jpeg_ctx { bool header_parsed; struct v4l2_ctrl_handler ctrl_handler; u8 jpeg_quality; + struct delayed_work task_timer; }; struct mxc_jpeg_slot_data {